285 lines
8.5 KiB
C
285 lines
8.5 KiB
C
#include <rtgui/rtgui.h>
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#include <rtgui/dc.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/window.h>
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#include "touch.h"
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#define CALIBRATION_STEP_LEFTTOP 0
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#define CALIBRATION_STEP_RIGHTTOP 1
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#define CALIBRATION_STEP_RIGHTBOTTOM 2
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#define CALIBRATION_STEP_LEFTBOTTOM 3
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#define CALIBRATION_STEP_CENTER 4
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#define TOUCH_WIN_UPDATE 1
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#define TOUCH_WIN_CLOSE 2
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#define CALIBRATION_WIDTH 15
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#define CALIBRATION_HEIGHT 15
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struct calibration_session
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{
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rt_uint8_t step;
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struct calibration_data data;
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rt_uint16_t width; rt_uint16_t height;
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rt_device_t device;
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rt_thread_t tid;
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};
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static struct calibration_session* calibration_ptr = RT_NULL;
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static void calibration_data_post(rt_uint16_t x, rt_uint16_t y)
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{
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if (calibration_ptr != RT_NULL)
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{
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switch (calibration_ptr->step)
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{
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case CALIBRATION_STEP_LEFTTOP:
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calibration_ptr->data.min_x = x;
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calibration_ptr->data.min_y = y;
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break;
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case CALIBRATION_STEP_RIGHTTOP:
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calibration_ptr->data.max_x = x;
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calibration_ptr->data.min_y = (calibration_ptr->data.min_y + y)/2;
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break;
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case CALIBRATION_STEP_LEFTBOTTOM:
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calibration_ptr->data.min_x = (calibration_ptr->data.min_x + x)/2;
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calibration_ptr->data.max_y = y;
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break;
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case CALIBRATION_STEP_RIGHTBOTTOM:
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calibration_ptr->data.max_x = (calibration_ptr->data.max_x + x)/2;
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calibration_ptr->data.max_y = (calibration_ptr->data.max_y + y)/2;
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break;
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case CALIBRATION_STEP_CENTER:
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/* calibration done */
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{
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rt_uint16_t w, h;
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struct rtgui_event_command ecmd;
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RTGUI_EVENT_COMMAND_INIT(&ecmd);
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ecmd.command_id = TOUCH_WIN_CLOSE;
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/* calculate calibrated data */
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if (calibration_ptr->data.max_x > calibration_ptr->data.min_x)
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w = calibration_ptr->data.max_x - calibration_ptr->data.min_x;
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else
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w = calibration_ptr->data.min_x - calibration_ptr->data.max_x;
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w = (w/(calibration_ptr->width - 2 * CALIBRATION_WIDTH)) * CALIBRATION_WIDTH;
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if (calibration_ptr->data.max_y > calibration_ptr->data.min_y)
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h = calibration_ptr->data.max_y - calibration_ptr->data.min_y;
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else
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h = calibration_ptr->data.min_y - calibration_ptr->data.max_y;
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h = (h/(calibration_ptr->height - 2 * CALIBRATION_HEIGHT)) * CALIBRATION_HEIGHT;
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rt_kprintf("w: %d, h: %d\n", w, h);
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if (calibration_ptr->data.max_x > calibration_ptr->data.min_x)
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{
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calibration_ptr->data.min_x -= w;
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calibration_ptr->data.max_x += w;
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}
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else
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{
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calibration_ptr->data.min_x += w;
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calibration_ptr->data.max_x -= w;
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}
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if (calibration_ptr->data.max_y > calibration_ptr->data.min_y)
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{
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calibration_ptr->data.min_y -= h;
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calibration_ptr->data.max_y += h;
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}
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else
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{
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calibration_ptr->data.min_y += h;
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calibration_ptr->data.max_y -= h;
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}
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rt_kprintf("calibration data: (%d, %d), (%d, %d)\n",
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calibration_ptr->data.min_x,
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calibration_ptr->data.max_x,
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calibration_ptr->data.min_y,
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calibration_ptr->data.max_y);
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rtgui_thread_send(calibration_ptr->tid, &ecmd.parent, sizeof(struct rtgui_event_command));
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}
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return;
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}
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calibration_ptr->step ++;
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/* post command event */
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{
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struct rtgui_event_command ecmd;
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RTGUI_EVENT_COMMAND_INIT(&ecmd);
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ecmd.command_id = TOUCH_WIN_UPDATE;
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rtgui_thread_send(calibration_ptr->tid, &ecmd.parent, sizeof(struct rtgui_event_command));
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}
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}
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}
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rt_bool_t calibration_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
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{
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switch (event->type)
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{
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case RTGUI_EVENT_PAINT:
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{
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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dc = rtgui_dc_begin_drawing(widget);
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if (dc == RT_NULL) break;
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/* get rect information */
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rtgui_widget_get_rect(widget, &rect);
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/* clear whole window */
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RTGUI_WIDGET_BACKGROUND(widget) = white;
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rtgui_dc_fill_rect(dc, &rect);
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/* reset color */
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RTGUI_WIDGET_BACKGROUND(widget) = green;
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RTGUI_WIDGET_FOREGROUND(widget) = black;
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switch (calibration_ptr->step)
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{
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case CALIBRATION_STEP_LEFTTOP:
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rtgui_dc_draw_hline(dc, 0, 2 * CALIBRATION_WIDTH, CALIBRATION_HEIGHT);
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rtgui_dc_draw_vline(dc, CALIBRATION_WIDTH, 0, 2 * CALIBRATION_HEIGHT);
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RTGUI_WIDGET_FOREGROUND(widget) = red;
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rtgui_dc_fill_circle(dc, CALIBRATION_WIDTH, CALIBRATION_HEIGHT, 4);
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break;
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case CALIBRATION_STEP_RIGHTTOP:
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rtgui_dc_draw_hline(dc, calibration_ptr->width - 2 * CALIBRATION_WIDTH,
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calibration_ptr->width, CALIBRATION_HEIGHT);
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rtgui_dc_draw_vline(dc, calibration_ptr->width - CALIBRATION_WIDTH, 0, 2 * CALIBRATION_HEIGHT);
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RTGUI_WIDGET_FOREGROUND(widget) = red;
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rtgui_dc_fill_circle(dc, calibration_ptr->width - CALIBRATION_WIDTH, CALIBRATION_HEIGHT, 4);
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break;
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case CALIBRATION_STEP_LEFTBOTTOM:
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rtgui_dc_draw_hline(dc, 0, 2 * CALIBRATION_WIDTH, calibration_ptr->height - CALIBRATION_HEIGHT);
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rtgui_dc_draw_vline(dc, CALIBRATION_WIDTH, calibration_ptr->height - 2 * CALIBRATION_HEIGHT, calibration_ptr->height);
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RTGUI_WIDGET_FOREGROUND(widget) = red;
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rtgui_dc_fill_circle(dc, CALIBRATION_WIDTH, calibration_ptr->height - CALIBRATION_HEIGHT, 4);
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break;
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case CALIBRATION_STEP_RIGHTBOTTOM:
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rtgui_dc_draw_hline(dc, calibration_ptr->width - 2 * CALIBRATION_WIDTH,
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calibration_ptr->width, calibration_ptr->height - CALIBRATION_HEIGHT);
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rtgui_dc_draw_vline(dc, calibration_ptr->width - CALIBRATION_WIDTH, calibration_ptr->height - 2 * CALIBRATION_HEIGHT, calibration_ptr->height);
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RTGUI_WIDGET_FOREGROUND(widget) = red;
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rtgui_dc_fill_circle(dc, calibration_ptr->width - CALIBRATION_WIDTH, calibration_ptr->height - CALIBRATION_HEIGHT, 4);
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break;
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case CALIBRATION_STEP_CENTER:
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rtgui_dc_draw_hline(dc, calibration_ptr->width/2 - CALIBRATION_WIDTH, calibration_ptr->width/2 + CALIBRATION_WIDTH, calibration_ptr->height/2);
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rtgui_dc_draw_vline(dc, calibration_ptr->width/2, calibration_ptr->height/2 - CALIBRATION_HEIGHT, calibration_ptr->height/2 + CALIBRATION_HEIGHT);
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RTGUI_WIDGET_FOREGROUND(widget) = red;
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rtgui_dc_fill_circle(dc, calibration_ptr->width/2, calibration_ptr->height/2, 4);
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break;
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}
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rtgui_dc_end_drawing(dc);
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}
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break;
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case RTGUI_EVENT_COMMAND:
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{
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struct rtgui_event_command* ecmd = (struct rtgui_event_command*)event;
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switch (ecmd->command_id)
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{
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case TOUCH_WIN_UPDATE:
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rtgui_widget_update(widget);
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break;
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case TOUCH_WIN_CLOSE:
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rtgui_win_close(RTGUI_WIN(widget));
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break;
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}
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}
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return RT_TRUE;
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default:
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rtgui_win_event_handler(widget, event);
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}
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return RT_FALSE;
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}
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void calibration_entry(void* parameter)
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{
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rt_mq_t mq;
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rtgui_win_t* win;
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struct rtgui_rect rect;
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mq = rt_mq_create("cali", 40, 8, RT_IPC_FLAG_FIFO);
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if (mq == RT_NULL) return;
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rtgui_thread_register(rt_thread_self(), mq);
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rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect);
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/* set screen rect */
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calibration_ptr->width = rect.x2;
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calibration_ptr->height = rect.y2;
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/* create calibration window */
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win = rtgui_win_create(RT_NULL,
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"calibration", &rect, RTGUI_WIN_STYLE_NO_TITLE | RTGUI_WIN_STYLE_NO_BORDER);
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rtgui_widget_set_event_handler(RTGUI_WIDGET(win), calibration_event_handler);
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if (win != RT_NULL)
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{
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rtgui_win_show(win, RT_FALSE);
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// rtgui_widget_update(RTGUI_WIDGET(win));
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rtgui_win_event_loop(win);
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}
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rtgui_thread_deregister(rt_thread_self());
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rt_mq_delete(mq);
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/* set calibration data */
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rt_device_control(calibration_ptr->device, RT_TOUCH_CALIBRATION_DATA, &calibration_ptr->data);
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/* recover to normal */
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rt_device_control(calibration_ptr->device, RT_TOUCH_NORMAL, RT_NULL);
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/* release memory */
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rt_free(calibration_ptr);
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calibration_ptr = RT_NULL;
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}
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void calibration_init()
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{
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rt_device_t device;
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device = rt_device_find("touch");
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if (device == RT_NULL) return; /* no this device */
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calibration_ptr = (struct calibration_session*)rt_malloc(sizeof(struct calibration_session));
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rt_memset(calibration_ptr, 0, sizeof(struct calibration_data));
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calibration_ptr->device = device;
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rt_device_control(calibration_ptr->device, RT_TOUCH_CALIBRATION, (void*)calibration_data_post);
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calibration_ptr->tid = rt_thread_create("cali", calibration_entry, RT_NULL,
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2048, 20, 5);
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if (calibration_ptr->tid != RT_NULL) rt_thread_startup(calibration_ptr->tid);
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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void calibration()
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{
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calibration_init();
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}
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FINSH_FUNCTION_EXPORT(calibration, perform touch calibration);
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#endif
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